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Finding the Fourth Proportional to 150,640.80, 226,220.40 and 80,656.80

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Solution

The fourth proportional to 150,640.80, 226,220.40 and 80,656.80 is: 121,123.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,640.80 : 226,220.40 = 80,656.80 : x
  2. Step 2: Convert to fraction form
    150,640.80/226,220.40 = 80,656.80/x
  3. Step 3: Cross multiply
    150,640.80x = 226,220.40 × 80,656.80
  4. Step 4: Simplify right side
    150,640.80x = 18,246,213,558.72
  5. Step 5: Solve for x
    x = 18,246,213,558.72/150,640.80
  6. Step 6: Final answer
    x = 121,123.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.